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Some highly refined semiconductor material is doped with indium. For such a material, are the majority carriers: (a) electrons from the semiconductor; (b) electrons from the indium; (c) holes from the...

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Some highly refined semiconductor material is doped with indium. For such a material, are the majority carriers: (a) electrons from the semiconductor; (b) electrons from the indium; (c) holes from the semi-conductor; (d) holes from the indium?

 

 

Answered 81 days After Nov 26, 2021

Solution

Rahul answered on Feb 16 2022
129 Votes
Indium is a trivalent impurity atom. Since indium has only 3 valence electrons, so when indium is doped into silicon/germanium then holes are the majority ca
iers.
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